I've run across a couple film lenses that weren't adequate on digital, but they seemed to all be lenses with average performance across the entire frame rather than the more common sharp centre and poor corners. The SMC-F 35-80 was one such lens that proved to be a poor performer on digital.
-Adam P. J. Alling wrote: > Not really. If you're buying lenses and you want to use them on a film > body, as well as digital, they should not be in the DA series, period. > They may cover the whole film frame but outside of the 24mm diameter > circle required by the digital format you may find unacceptable > vignetting, image softness, CA, barrel or pincushion distortion, etc. > You won't have direct control of aperture, (except with a very limited > number of cameras). These limitations alone should keep you away from > using DA lenses for film. Going the other way is much easier. A number > of lenses I've seen to be dogs on Film should be more than adequate on a > DSLR. I for one am very pleased with the performance of the FA 28-200. > Most of it's defects simply disappear on a 6mp DSLR. I expect it to > preform almost as well on a 10mp sensor. Even the FF lenses that pixel > peepers pick apart, (the various 24mm lenses come to mind), seem to be > good when you're making prints. In fact I haven't got a film lens that > isn't at least adequate on my DSLRs. > > Boris Liberman wrote: >> I guess you're right. Though admit - if you are choosing lenses and >> you have both film and digital body, it is extremely confusing which >> ones you could use on both bodies and which ones you could use only on >> the digital one. >> >> On 10/2/07, Margus Männik <[EMAIL PROTECTED]> wrote: >> >>> Hi, >>> >>> you are looking from the wrong side :) >>> Those two lenses (especially 70mm) wouldn't be any smaller if made for >>> reduced image circle. Fullframe DA21, OTOH, would have been much more >>> complex and expensive to design. DA means "optimized for digital" and no >>> one have ever said if DA lenses have to be usable on film bodies or not. >>> In a meaning of products (something that you can sell NEW to people), >>> those are beautiful history anyways. So think about the full frame >>> coverage on DA40 and DA70 as an BONUS for true Pentax fans. No extra >>> cost, nothing to worry about... >>> >>> BR, Margus >>> >>> >>> Boris Liberman wrote: >>> >>>> Yes, Peter, that's my understanding too. >>>> >>>> But why then honorable sir William would take the DA 70 and probably >>>> DA 40 lenses and mount them on his film camera? >>>> >>>> Like I said - a little blurred... >>>> >>>> Boris >>>> >>> -- >>> PDML Pentax-Discuss Mail List >>> [email protected] >>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>> follow the directions. >>> >>> >> >> > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
